OpenTechnical

OT-2026-000081183

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081183) never changes.

Identity and time

Publication numberOT-2026-000081183 · never reused
Internal UUID01a0ae96-f373-7134-8244-dc1a38a7f90d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081183
StatusPUBLIC

Content hashes

Canonical textcf4847e3e7e5d3093858d574ff891e73323a52a98f05dd460768d6e8a9a9c3ee
Markdownd5a6ae9b10bdeca32c7605f7e46818712ef324c4ba1e083d2168312232f26d2e
PDF
Publication page06392783a0b2c3389803b24f4b58631df38f0a6a84abc8eaf53ec70c585b89e0
Manifest25d758a712c176ff4cea11437eed9db8d2fde42f4ca272bbd34b4c37f5841d0a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturepZO/lv/fwNudXGpYL8wbq4lOUY1aRL+z0jiXjj2lfLX9qGJ9TBips+9XjNDjcFVN6Fj7NA6PWxM4V0mEMd0YBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:01:15.069551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081183
observed 06392783a0b2c3389803b24f4b58631d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.050756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081183/manifest.json
observed 25d758a712c176ff4cea11437eed9db8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.032163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081183/publication.md
observed d5a6ae9b10bdeca32c7605f7e4681871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:15.013823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081183/publication.txt
observed cf4847e3e7e5d3093858d574ff891e73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.